/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gwtwidgets.server.spring.stream;

import java.util.Map;

/**
 * Interface for SL stream protocol implementations.
 * 
 * @author George Georgovassilis, g.georgovassilis[at]gmail.com
 * 
 */

public interface SLStreamWriter {
	
	/**
	 * Sends a message to the recipient
	 * @param content String content of the message
	 * @param attributes Metadata of the message, can be any key/value set
	 */
	void writeMessage(String content, Map<String, ?> attributes);
	void close();
}
